mirror of
https://github.com/Ryujinx/GtkSharp.git
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297 lines
10 KiB
C#
297 lines
10 KiB
C#
// Gtk.ListStore.cs - Gtk ListStore class customizations
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//
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// Author: Kristian Rietveld <kris@gtk.org>
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//
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// (c) 2002 Kristian Rietveld
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the Lesser GNU General
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// Public License as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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namespace Gtk {
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using System;
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using System.Collections;
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using System.Runtime.InteropServices;
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public partial class ListStore : IEnumerable {
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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delegate bool d_gtk_tree_model_iter_children2(IntPtr raw, out Gtk.TreeIter iter, IntPtr parent);
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static d_gtk_tree_model_iter_children2 gtk_tree_model_iter_children2 = FuncLoader.LoadFunction<d_gtk_tree_model_iter_children2>(FuncLoader.GetProcAddress(GLibrary.Load(Library.Gtk), "gtk_tree_model_iter_children"));
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public bool IterChildren (out Gtk.TreeIter iter)
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{
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bool raw_ret = gtk_tree_model_iter_children2 (Handle, out iter, IntPtr.Zero);
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bool ret = raw_ret;
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return ret;
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}
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public int IterNChildren ()
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{
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int raw_ret = gtk_tree_model_iter_n_children (Handle, IntPtr.Zero);
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int ret = raw_ret;
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return ret;
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}
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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delegate bool d_gtk_tree_model_iter_nth_child2(IntPtr raw, out Gtk.TreeIter iter, IntPtr parent, int n);
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static d_gtk_tree_model_iter_nth_child2 gtk_tree_model_iter_nth_child2 = FuncLoader.LoadFunction<d_gtk_tree_model_iter_nth_child2>(FuncLoader.GetProcAddress(GLibrary.Load(Library.Gtk), "gtk_tree_model_iter_nth_child"));
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public bool IterNthChild (out Gtk.TreeIter iter, int n)
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{
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bool raw_ret = gtk_tree_model_iter_nth_child2 (Handle, out iter, IntPtr.Zero, n);
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bool ret = raw_ret;
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return ret;
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}
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public void SetValue (Gtk.TreeIter iter, int column, bool value)
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{
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GLib.Value val = new GLib.Value (value);
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SetValue (iter, column, val);
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val.Dispose ();
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}
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public void SetValue (Gtk.TreeIter iter, int column, double value)
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{
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GLib.Value val = new GLib.Value (value);
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SetValue (iter, column, val);
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val.Dispose ();
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}
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public void SetValue (Gtk.TreeIter iter, int column, int value)
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{
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GLib.Value val = new GLib.Value (value);
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SetValue (iter, column, val);
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val.Dispose ();
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}
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public void SetValue (Gtk.TreeIter iter, int column, long value)
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{
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GLib.Value val = new GLib.Value (value);
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SetValue (iter, column, val);
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val.Dispose ();
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}
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public void SetValue (Gtk.TreeIter iter, int column, string value)
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{
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GLib.Value val = new GLib.Value (value);
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SetValue (iter, column, val);
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val.Dispose ();
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}
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public void SetValue (Gtk.TreeIter iter, int column, float value)
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{
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GLib.Value val = new GLib.Value (value);
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SetValue (iter, column, val);
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val.Dispose ();
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}
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public void SetValue (Gtk.TreeIter iter, int column, uint value)
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{
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GLib.Value val = new GLib.Value (value);
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SetValue (iter, column, val);
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val.Dispose ();
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}
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public void SetValue (Gtk.TreeIter iter, int column, object value)
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{
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GLib.Value val = new GLib.Value (value);
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SetValue (iter, column, val);
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val.Dispose ();
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}
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public Gtk.TreeIter AppendValues (Array values)
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{
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Gtk.TreeIter iter = Append();
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SetValues (iter, values.Explode ());
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return iter;
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}
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public Gtk.TreeIter AppendValues (params object[] values)
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{
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Gtk.TreeIter iter = Append();
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SetValues (iter, values);
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return iter;
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}
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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delegate void d_gtk_list_store_insert_with_valuesv2(IntPtr raw, out TreeIter iter, int position, int[] columns, GLib.Value[] values, int n_values);
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static d_gtk_list_store_insert_with_valuesv2 gtk_list_store_insert_with_valuesv2 = FuncLoader.LoadFunction<d_gtk_list_store_insert_with_valuesv2>(FuncLoader.GetProcAddress(GLibrary.Load(Library.Gtk), "gtk_list_store_insert_with_valuesv"));
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public TreeIter InsertWithValues (int position, params object[] values)
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{
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int[] columns = new int[values.Length];
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GLib.Value[] vals = new GLib.Value[values.Length];
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int n_values = 0;
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for (int i = 0; i < values.Length; i++) {
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if (values[i] != null) {
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columns[n_values] = i;
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vals[n_values] = new GLib.Value (values[i]);
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n_values++;
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}
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}
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TreeIter iter;
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gtk_list_store_insert_with_valuesv2 (Handle, out iter, position, columns, vals, n_values);
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for (int i = 0; i < n_values; i++)
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vals[i].Dispose ();
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return iter;
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}
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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delegate void d_gtk_list_store_set_valuesv(IntPtr raw, ref TreeIter iter, int[] columns, GLib.Value[] values, int n_values);
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static d_gtk_list_store_set_valuesv gtk_list_store_set_valuesv = FuncLoader.LoadFunction<d_gtk_list_store_set_valuesv>(FuncLoader.GetProcAddress(GLibrary.Load(Library.Gtk), "gtk_list_store_set_valuesv"));
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public void SetValues (TreeIter iter, params object[] values)
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{
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int[] columns = new int[values.Length];
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GLib.Value[] vals = new GLib.Value[values.Length];
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int n_values = 0;
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for (int i = 0; i < values.Length; i++) {
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if (values[i] != null) {
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columns[n_values] = i;
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vals[n_values] = new GLib.Value (values[i]);
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n_values++;
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}
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}
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gtk_list_store_set_valuesv (Handle, ref iter, columns, vals, n_values);
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for (int i = 0; i < n_values; i++)
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vals[i].Dispose ();
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}
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public ListStore (params GLib.GType[] types) : base (IntPtr.Zero)
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{
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CreateNativeObject (new string [0], new GLib.Value [0]);
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ColumnTypes = types;
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}
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public ListStore (params Type[] types) : base (IntPtr.Zero)
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{
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GLib.GType[] gtypes = new GLib.GType[types.Length];
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int i = 0;
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foreach (Type type in types) {
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gtypes[i] = (GLib.GType) type;
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i++;
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}
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CreateNativeObject (new string [0], new GLib.Value [0]);
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ColumnTypes = gtypes;
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}
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public object GetValue(Gtk.TreeIter iter, int column)
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{
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GLib.Value val = GLib.Value.Empty;
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GetValue (iter, column, ref val);
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object ret = val.Val;
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val.Dispose ();
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return ret;
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}
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public IEnumerator GetEnumerator()
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{
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return new TreeEnumerator(this);
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}
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[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
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delegate void RowsReorderedSignalDelegate (IntPtr arg0, IntPtr arg1, IntPtr arg2, IntPtr arg3, IntPtr gch);
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static void RowsReorderedSignalCallback (IntPtr arg0, IntPtr arg1, IntPtr arg2, IntPtr arg3, IntPtr gch)
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{
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Gtk.RowsReorderedArgs args = new Gtk.RowsReorderedArgs ();
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try {
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GLib.Signal sig = ((GCHandle) gch).Target as GLib.Signal;
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if (sig == null)
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throw new Exception("Unknown signal GC handle received " + gch);
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ListStore sender = GLib.Object.GetObject (arg0) as ListStore;
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args.Args = new object[3];
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args.Args[0] = arg1 == IntPtr.Zero ? null : (Gtk.TreePath) GLib.Opaque.GetOpaque (arg1, typeof (Gtk.TreePath), false);
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args.Args[1] = Gtk.TreeIter.New (arg2);
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int child_cnt = sender.IterNChildren ();
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int[] new_order = new int [child_cnt];
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Marshal.Copy (arg3, new_order, 0, child_cnt);
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args.Args[2] = new_order;
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Gtk.RowsReorderedHandler handler = (Gtk.RowsReorderedHandler) sig.Handler;
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handler (sender, args);
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} catch (Exception e) {
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GLib.ExceptionManager.RaiseUnhandledException (e, false);
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}
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}
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[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
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delegate void RowsReorderedVMDelegate (IntPtr tree_model, IntPtr path, IntPtr iter, IntPtr new_order);
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static RowsReorderedVMDelegate RowsReorderedVMCallback;
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static void rowsreordered_cb (IntPtr tree_model, IntPtr path_ptr, IntPtr iter_ptr, IntPtr new_order)
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{
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try {
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ListStore store = GLib.Object.GetObject (tree_model, false) as ListStore;
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TreePath path = GLib.Opaque.GetOpaque (path_ptr, typeof (TreePath), false) as TreePath;
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TreeIter iter = TreeIter.New (iter_ptr);
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int child_cnt = store.IterNChildren ();
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int[] child_order = new int [child_cnt];
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Marshal.Copy (new_order, child_order, 0, child_cnt);
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store.OnRowsReordered (path, iter, child_order);
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} catch (Exception e) {
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GLib.ExceptionManager.RaiseUnhandledException (e, true);
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// NOTREACHED: above call doesn't return
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throw e;
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}
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}
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private static void OverrideRowsReordered (GLib.GType gtype)
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{
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if (RowsReorderedVMCallback == null)
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RowsReorderedVMCallback = new RowsReorderedVMDelegate (rowsreordered_cb);
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OverrideVirtualMethod (gtype, "rows_reordered", RowsReorderedVMCallback);
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}
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[GLib.DefaultSignalHandler(Type=typeof(Gtk.ListStore), ConnectionMethod="OverrideRowsReordered")]
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protected virtual void OnRowsReordered (Gtk.TreePath path, Gtk.TreeIter iter, int[] new_order)
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{
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GLib.Value ret = GLib.Value.Empty;
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GLib.ValueArray inst_and_params = new GLib.ValueArray (4);
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GLib.Value[] vals = new GLib.Value [4];
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vals [0] = new GLib.Value (this);
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inst_and_params.Append (vals [0]);
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vals [1] = new GLib.Value (path);
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inst_and_params.Append (vals [1]);
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vals [2] = new GLib.Value (iter);
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inst_and_params.Append (vals [2]);
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int cnt = IterNChildren ();
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IntPtr new_order_ptr = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (int)) * cnt);
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Marshal.Copy (new_order, 0, new_order_ptr, cnt);
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vals [3] = new GLib.Value (new_order_ptr);
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inst_and_params.Append (vals [3]);
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g_signal_chain_from_overridden (inst_and_params.ArrayPtr, ref ret);
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Marshal.FreeHGlobal (new_order_ptr);
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foreach (GLib.Value v in vals)
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v.Dispose ();
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}
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[GLib.Signal("rows_reordered")]
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public event Gtk.RowsReorderedHandler RowsReordered {
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add {
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AddSignalHandler ("rows_reordered", value, new RowsReorderedSignalDelegate(RowsReorderedSignalCallback));
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}
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remove {
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RemoveSignalHandler ("rows_reordered", value);
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}
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}
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}
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}
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